Mesa Vista, California Air Quality
Mesa Vista has a median AQI of 29, earning an air quality grade of A+ — excellent air quality that ranks better than 92% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2016, Mesa Vista recorded 19 good air quality days (79% of monitored days).
Population: 445 • County: Alpine
Current AQI
Quick Facts
| Current AQI | 16 — Good |
| Air Quality Grade | A+ |
| Median AQI (2016) | 29 |
| vs. U.S. Cities | Better than 92% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | → Stable |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Mesa Vista is sourced from the South Lake Tahoe - Sandy Way monitoring area, located approximately 13 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Mesa Vista has relatively consistent air quality throughout the year without a strong seasonal peak. Air quality is primarily influenced by local traffic, industrial activity, and regional weather patterns rather than a single seasonal driver.
AQI Trend (10 Years)
Air Quality Days by Year
Mesa Vista Median AQI by Year
Annual EPA air quality data for Mesa Vista — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2016 | 29 | 19 | — | 69 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2016 Air Quality Summary
Primary Pollutant Days (2016)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Mesa Vista Air Quality
What is the air quality in Mesa Vista today?
The current AQI in Mesa Vista is 16, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
What is the most common air pollutant in Mesa Vista?
PM2.5 is the primary air pollutant in Mesa Vista, responsible for 24 days (100% of monitored days) in 2016. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Mesa Vista have per year?
In 2016, Mesa Vista recorded 79% good air quality days (19 days) out of 24 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 69.
What air quality grade does Mesa Vista receive?
Mesa Vista receives an air quality grade of A+, placing it better than 92% of US cities. This is based on a median AQI of 29 in 2016, with 19 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 92% of US cities
Nearby Cities
Get AQI Alerts
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National Rankings
See how Mesa Vista compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Mesa Vista
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